Click the Contents tab to
look through topic titles.
(Keybord shortcut: Alt+C)
The Contents is shown as hierarchical items list.
For example, open Webster's Unabridged Dictionary on Letter W (see the following figure):
To open an item in the table of contents, click the plus sign (+) in front of a node to
expand that node, then double-click the item you want to see. Click the minus sign (-)
in front of a node to contract that node. You can travel from item to iem using Up and Down
keyboard keys and right and left keys to expand and collapse (sub)nodes.
To view a topic, click the topic in the table of contents.
To view all topic beginning from certain letter,
click this letter node.